Overdrive Range, First Gear (Before First 1-2 Shift): Notes

When the gear selector lever is moved to the Overdrive range position (D), from the Neutral (N) position, before the first 1-2 shift has occurred, the following changes occur to shift the transmission into Overdrive Range - First Gear.

Manual Valve:

In the Overdrive position the manual valve routes line pressure into the D432 fluid circuit. D432 fluid is routed to the 1-2 shift valve and to the 3-4 shift valve.